Table 1.

Clinicopathological characteristics of 250 colorectal cancer patients

Number	250
Age (year)	79 (75–92)
Sex (male/female)	128:122
Comorbidity (no/yes)	161:89
Performance status (0/1/2/3)	164:64:20:0
Double cancer (no/yes)	187:63
Location (C/A/T/D/S/R)	27:56:27:11:55:74
Tumor size (mm)	40 (3–105)
Tumor depth (Tis/T1/T2/T3/T4)	21:47:40:99:19
Lymph node metastasis (N0/N1/N2)	169:51:30
Histological type (well/mod/poor)	126:103:21
TNM stage (0/I/II/III)	21:80:68:81
Operation time (min)	240 (63–860)
Blood loss (g)	122 (5–1550)
Laparoscopic surgery (no/yes)	95:155
Perioperative chemotherapy (no/yes)	206:44
Postoperative complication (no/yes)	162:88
Hospital stay (days)	25.5 (12–112)